The fastest ways to move mucus out of your body are staying well hydrated, using specific breathing and coughing techniques, rinsing your nasal passages with saline, and in some cases taking an over-the-counter expectorant. Mucus is roughly 90 to 95 percent water, so when you’re dehydrated, it thickens and becomes harder to clear. Most strategies for getting rid of excess mucus work by keeping it thin and mobile so your body’s natural clearing systems can do their job.
Before diving into techniques, it helps to know that mucus itself isn’t the enemy. Your airways constantly produce it to trap dust, bacteria, and other irritants, then tiny hair-like structures called cilia sweep it upward and out. Problems start when illness, allergies, or dehydration cause your body to produce too much mucus or make it too thick for the cilia to handle.
Drink More Fluids Than You Think You Need
Because mucus is almost entirely water, fluid intake directly affects how thick or thin it is. When you’re fighting a cold or dealing with congestion, drinking extra water, broth, or warm tea helps keep secretions loose enough for your body to clear them naturally. Warm liquids in particular can feel soothing and may help loosen congestion in the throat and chest. Avoid alcohol and excessive caffeine, which can be mildly dehydrating.
The Huff Cough Technique
A regular cough doesn’t always reach mucus trapped deep in the smaller airways. The huff cough is a controlled method that moves mucus from smaller passages into larger ones where you can cough it out. It’s commonly taught by respiratory therapists and is simple to do at home.
Start by taking a slow, medium-depth breath and holding it for two to three seconds. This gets air behind the mucus. Then exhale slowly but forcefully through an open mouth, as if you’re fogging a mirror. That’s the “huff.” Repeat this one or two more times, then follow with a single strong cough to push the mucus up and out. You can do the whole cycle two or three times depending on how congested you feel.
One important tip from Cleveland Clinic: avoid breathing in quickly and deeply through your mouth right after coughing. That rapid inhale can push mucus back down and trigger uncontrolled coughing fits. Instead, breathe in gently through your nose between cycles.
Nasal Irrigation With a Neti Pot or Squeeze Bottle
Flushing your nasal passages with a saline solution is one of the most effective ways to physically wash mucus, allergens, and irritants out of your sinuses. You can use a neti pot, a squeeze bottle, or a bulb syringe. The principle is the same: warm salt water goes in one nostril and drains out the other, carrying mucus with it.
The most critical safety rule is to never use plain tap water. Tap water can contain low levels of bacteria and amoebas that are harmless when swallowed (stomach acid kills them) but can cause serious, even fatal infections when introduced into nasal passages. The FDA recommends using only distilled or sterile water (labeled as such), tap water that has been boiled for three to five minutes and cooled to lukewarm, or water passed through a filter specifically designed to trap infectious organisms. If you boil water ahead of time, store it in a clean, closed container and use it within 24 hours.
Saline sprays from the pharmacy are a simpler alternative. They won’t flush as thoroughly as a full rinse, but they moisten nasal tissue, thin mucus, and are convenient to use several times a day.
Steam and Humidity
Breathing in warm, moist air helps loosen mucus in both the nose and chest. You can take a hot shower, lean over a bowl of steaming water with a towel draped over your head, or run a humidifier in your room. The moisture adds water to the surface of your mucus layer, making it less sticky and easier for cilia to push along.
If you use a humidifier, clean it regularly to prevent mold and bacteria from growing in the water reservoir. Aim for indoor humidity between 30 and 50 percent. Higher than that can encourage dust mites and mold growth, which may actually increase mucus production.
Over-the-Counter Expectorants
Guaifenesin, the active ingredient in products like Mucinex, is the most widely available expectorant. It works by reducing the thickness and stickiness of mucus, which makes the cilia more effective at sweeping secretions out of your upper and lower airways. It essentially turns a dry, unproductive cough into one that actually moves mucus.
This medication comes in immediate-release and extended-release forms. Whichever you choose, drinking plenty of water alongside it is important, since the drug relies on hydration to thin secretions effectively. Guaifenesin doesn’t suppress coughing. If your goal is to get mucus out, that’s a good thing: you want the cough to be productive.
Honey for Cough and Throat Mucus
Honey can help with the irritating cough that often accompanies excess mucus. Studies have found it works about as well as common over-the-counter cough suppressants, and it coats and soothes the throat in a way that may make it easier to manage post-nasal drip. A half teaspoon to one teaspoon is the dose studied in children over age one. Adults can take a tablespoon straight or dissolved in warm water or tea. Never give honey to infants under 12 months due to the risk of botulism.
Positioning and Gravity
Gravity is a free tool for draining mucus. If congestion is in your chest, lying on different sides for 10 to 15 minutes at a time can help mucus drain from specific lung segments toward the larger airways where you can cough it up. Propping yourself up on pillows while sleeping keeps mucus from pooling in the back of your throat overnight, which is a common cause of that thick, congested feeling in the morning.
For sinus congestion, sleeping with your head elevated and alternating which side you lie on can help drain one blocked nostril at a time.
What Doesn’t Work: The Dairy Myth
Many people avoid milk when they’re congested, believing it increases mucus production. The evidence doesn’t support this. When milk mixes with saliva, it creates a slightly thick coating in the mouth and throat that can feel like extra phlegm, but it isn’t. Studies dating back decades, including more recent work in children with asthma, have found no difference in actual mucus production between dairy milk and non-dairy alternatives. If milk feels uncomfortable to drink when you’re sick, skip it for comfort reasons, but it won’t make your congestion worse.
What Mucus Color Actually Means
You might assume green or yellow mucus means you need antibiotics, but that’s not reliable. White blood cells release iron-containing enzymes when they fight any irritant, whether it’s a virus or bacteria, and that iron is what turns mucus green. Mucus also darkens when it sits in your sinuses for hours, like overnight. So waking up with dark yellow or greenish mucus during a cold is completely normal and doesn’t necessarily point to a bacterial infection. Harvard Health has noted that mucus color alone cannot distinguish a viral sinus infection from a bacterial one.
Signs Your Mucus Needs Medical Attention
Most excess mucus resolves on its own within a couple of weeks as your body fights off a cold or adjusts to allergen exposure. But certain changes warrant prompt attention. The American Lung Association flags these as reasons to see a healthcare provider right away: mucus that changes significantly in color, thickness, or stickiness compared to your baseline; a noticeable increase in the amount you’re producing; mucus accompanied by fever, shortness of breath, or chest pain; or any mucus that contains blood. These can be signs of a lung infection or another condition that needs treatment beyond home remedies.